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install.go
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install.go
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/*
Copyright 2022 AmidaWare LLC.
Licensed under the Tactical RMM License Version 1.0 (the “License”).
You may only use the Licensed Software in accordance with the License.
A copy of the License is available at:
https://license.tacticalrmm.com
*/
package agent
import (
"fmt"
"io"
"net/url"
"os"
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
"time"
"github.com/go-resty/resty/v2"
trmm "github.com/wh1te909/trmm-shared"
)
type Installer struct {
Headers map[string]string
RMM string
ClientID int
SiteID int
Description string
AgentType string
Power bool
RDP bool
Ping bool
Token string
LocalMesh string
Cert string
Proxy string
Timeout time.Duration
SaltMaster string
Silent bool
NoMesh bool
MeshDir string
MeshNodeID string
}
func (a *Agent) Install(i *Installer) {
a.checkExistingAndRemove(i.Silent)
i.Headers = map[string]string{
"content-type": "application/json",
"Authorization": fmt.Sprintf("Token %s", i.Token),
}
a.AgentID = GenerateAgentID()
a.Logger.Debugln("Agent ID:", a.AgentID)
u, err := url.Parse(i.RMM)
if err != nil {
a.installerMsg(err.Error(), "error", i.Silent)
}
if u.Scheme != "https" && u.Scheme != "http" {
a.installerMsg("Invalid URL (must contain https or http)", "error", i.Silent)
}
// will match either ipv4 , or ipv4:port
var ipPort = regexp.MustCompile(`[0-9]+(?:\.[0-9]+){3}(:[0-9]+)?`)
// if ipv4:port, strip the port to get ip for salt master
if ipPort.MatchString(u.Host) && strings.Contains(u.Host, ":") {
i.SaltMaster = strings.Split(u.Host, ":")[0]
} else if strings.Contains(u.Host, ":") {
i.SaltMaster = strings.Split(u.Host, ":")[0]
} else {
i.SaltMaster = u.Host
}
a.Logger.Debugln("API:", i.SaltMaster)
baseURL := u.Scheme + "://" + u.Host
a.Logger.Debugln("Base URL:", baseURL)
iClient := resty.New()
iClient.SetCloseConnection(true)
iClient.SetTimeout(15 * time.Second)
iClient.SetDebug(a.Debug)
iClient.SetHeaders(i.Headers)
// set proxy if applicable
if len(i.Proxy) > 0 {
a.Logger.Infoln("Using proxy:", i.Proxy)
iClient.SetProxy(i.Proxy)
}
creds, cerr := iClient.R().Get(fmt.Sprintf("%s/api/v3/installer/", baseURL))
if cerr != nil {
a.installerMsg(cerr.Error(), "error", i.Silent)
}
if creds.StatusCode() == 401 {
a.installerMsg("Installer token has expired. Please generate a new one.", "error", i.Silent)
}
verPayload := map[string]string{"version": a.Version}
iVersion, ierr := iClient.R().SetBody(verPayload).Post(fmt.Sprintf("%s/api/v3/installer/", baseURL))
if ierr != nil {
a.installerMsg(ierr.Error(), "error", i.Silent)
}
if iVersion.StatusCode() != 200 {
a.installerMsg(DjangoStringResp(iVersion.String()), "error", i.Silent)
}
rClient := resty.New()
rClient.SetCloseConnection(true)
rClient.SetTimeout(i.Timeout * time.Second)
rClient.SetDebug(a.Debug)
// set rest knox headers
rClient.SetHeaders(i.Headers)
// set local cert if applicable
if len(i.Cert) > 0 {
if !trmm.FileExists(i.Cert) {
a.installerMsg(fmt.Sprintf("%s does not exist", i.Cert), "error", i.Silent)
}
rClient.SetRootCertificate(i.Cert)
}
if len(i.Proxy) > 0 {
rClient.SetProxy(i.Proxy)
}
var installerMeshSystemEXE string
if len(i.MeshDir) > 0 {
installerMeshSystemEXE = filepath.Join(i.MeshDir, "MeshAgent.exe")
} else {
installerMeshSystemEXE = a.MeshSystemEXE
}
var meshNodeID string
if runtime.GOOS == "windows" && !i.NoMesh {
mesh := filepath.Join(a.ProgramDir, a.MeshInstaller)
if i.LocalMesh == "" {
a.Logger.Infoln("Downloading mesh agent...")
payload := map[string]string{"goarch": a.GoArch, "plat": a.Platform}
r, err := rClient.R().SetBody(payload).SetOutput(mesh).Post(fmt.Sprintf("%s/api/v3/meshexe/", baseURL))
if err != nil {
a.installerMsg(fmt.Sprintf("Failed to download mesh agent: %s", err.Error()), "error", i.Silent)
}
if r.StatusCode() != 200 {
a.installerMsg(fmt.Sprintf("Unable to download the mesh agent from the RMM. %s", r.String()), "error", i.Silent)
}
} else {
err := copyFile(i.LocalMesh, mesh)
if err != nil {
a.installerMsg(err.Error(), "error", i.Silent)
}
}
a.Logger.Infoln("Installing mesh agent...")
a.Logger.Debugln("Mesh agent:", mesh)
time.Sleep(1 * time.Second)
meshNodeID, err = a.installMesh(mesh, installerMeshSystemEXE, i.Proxy)
if err != nil {
a.installerMsg(fmt.Sprintf("Failed to install mesh agent: %s", err.Error()), "error", i.Silent)
}
}
if len(i.MeshNodeID) > 0 {
meshNodeID = i.MeshNodeID
}
a.Logger.Infoln("Adding agent to dashboard")
// add agent
type NewAgentResp struct {
AgentPK int `json:"pk"`
Token string `json:"token"`
}
agentPayload := map[string]interface{}{
"agent_id": a.AgentID,
"hostname": a.Hostname,
"site": i.SiteID,
"monitoring_type": i.AgentType,
"mesh_node_id": meshNodeID,
"description": i.Description,
"goarch": a.GoArch,
"plat": a.Platform,
}
r, err := rClient.R().SetBody(agentPayload).SetResult(&NewAgentResp{}).Post(fmt.Sprintf("%s/api/v3/newagent/", baseURL))
if err != nil {
a.installerMsg(err.Error(), "error", i.Silent)
}
if r.StatusCode() != 200 {
a.installerMsg(r.String(), "error", i.Silent)
}
agentPK := r.Result().(*NewAgentResp).AgentPK
agentToken := r.Result().(*NewAgentResp).Token
a.Logger.Debugln("Agent token:", agentToken)
a.Logger.Debugln("Agent PK:", agentPK)
createAgentConfig(baseURL, a.AgentID, i.SaltMaster, agentToken, strconv.Itoa(agentPK), i.Cert, i.Proxy, i.MeshDir)
time.Sleep(1 * time.Second)
// refresh our agent with new values
a = New(a.Logger, a.Version)
a.Logger.Debugf("%+v\n", a)
// set new headers, no longer knox auth...use agent auth
rClient.SetHeaders(a.Headers)
time.Sleep(3 * time.Second)
// check in once
a.DoNatsCheckIn()
if runtime.GOOS == "windows" {
// send software api
a.SendSoftware()
a.Logger.Debugln("Creating temp dir")
err := createWinTempDir()
if err != nil {
a.Logger.Errorln("Install() createWinTempDir():", err)
}
a.Logger.Debugln("Disabling automatic windows updates")
a.PatchMgmnt(true)
a.Logger.Infoln("Installing service...")
err = a.InstallService()
if err != nil {
a.installerMsg(err.Error(), "error", i.Silent)
}
time.Sleep(1 * time.Second)
a.Logger.Infoln("Starting service...")
out := a.ControlService(winSvcName, "start")
if !out.Success {
a.installerMsg(out.ErrorMsg, "error", i.Silent)
}
a.Logger.Infoln("Adding windows defender exclusions")
a.addDefenderExlusions()
if i.Power {
a.Logger.Infoln("Disabling sleep/hibernate...")
DisableSleepHibernate()
}
if i.Ping {
a.Logger.Infoln("Enabling ping...")
EnablePing()
}
if i.RDP {
a.Logger.Infoln("Enabling RDP...")
EnableRDP()
}
}
a.installerMsg("Installation was successfull!\nAllow a few minutes for the agent to properly display in the RMM", "info", i.Silent)
}
func copyFile(src, dst string) error {
in, err := os.Open(src)
if err != nil {
return err
}
defer in.Close()
out, err := os.Create(dst)
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(out, in)
if err != nil {
return err
}
return nil
}